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YouTube feature maps videos by popularity across the U.S.
MOUNTAIN VIEW, Calif., May 8 (UPI) -- YouTube says a new feature lets U.S. users see what videos others are watching in major cities or regions of the country and know their sex and age group.



CUPERTINO, Calif., May 8 (UPI) -- Apple is planning to expand its iPhone lineup with multiple models in an effort to compete with Android-powered smartphones, a U.S. analyst says.
Space telescope focuses on black hole at center of Milky Way
PASADENA, Calif., May 8 (UPI) -- A space telescope has observed surprisingly hot gas falling towards the supermassive black hole at the center of our Milky Way galaxy, U.S. researchers say.
Robot uses heated 'sticky feet' to climb vertical surfaces
ZURICH, Switzerland, May 8 (UPI) -- Swiss researchers say they've created a sticky-footed robot that can climb rocky cliff faces while carrying five times its own weight.
Decline in snow cover could rob creatures of safe habitat
MADISON, Wis., May 8 (UPI) -- Declining snow cover in a warming world spells trouble for plants and animals that survive harsh winters in a beneath-the-snow habitat, U.S. researchers say.
OTTAWA, May 8 (UPI) -- Is Canada moving toward developing a futuristic arsenal of precision weaponry? That would be both to save costs and to save lives -- its own fighters' lives and possibly civilians in combat zones.
DAVIS, Calif., May 8 (UPI) -- People in Europe are one big family, closely related to one another for the past 1,000 years, a study of the DNA of people from across the continent found.
Visuals in textbook lessons can actually hamper learning, study finds
COLUMBUS, Ohio, May 8 (UPI) -- Adding attractive visuals to a textbook lesson to get children's interest can actually make it harder for them to learn, Ohio State University researchers say.
Sensitive electronic 'nose' can tell difference between apples, pears
VALENCIA, Spain, May 8 (UPI) -- European researchers report they've developed an electronic "nose" so sensitive it can distinguish between the odors emitted by pears and apples.
U.S. urban forests deliver carbon benefits worth $50 billion
WASHINGTON, May 8 (UPI) -- America's urban forests store some 700 million tons of carbon, an environmental benefit worth an estimated $50 billion, a U.S. Forest Service study indicates.
BERKELEY, Calif., May 8 (UPI) -- U.S. scientist say they've identified the part of the brain that lets a batter pinpoint and hit a 95 mph fastball or a tennis player return a 120 mph serve.
GLASGOW, Scotland, May 8 (UPI) -- British researchers say they've found an insect that can hear at ultrasound frequencies up to 300 kHz, the highest recorded frequency sensitivity of any animal.
EDINBURGH, Scotland, May 8 (UPI) -- Math and reading ability at age 7 may be linked with socioeconomic status, including jobs and income, decades later in adulthood, British researchers say.
TALLIN, Estonia, May 7 (UPI) -- With a satellite launched Tuesday Estonia has joined a not-so-exclusive club, becoming the 41st nation in the world to own a man-made object orbiting in space.
Humans may have driven ancient mastodons into 'civil war'
ANN ARBOR, Mich., May 7 (UPI) -- Humans may have played a part in the disappearance of mastodons after the last ice age by hunting and killing the most dominant males, a U.S. researcher says.
BERLIN, May 7 (UPI) -- A German court ruled Apple must change its rules for handling customer data, saying current rules deviate too much from the country's privacy laws.
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Arias Is Found Guilty of Murder in Arizona
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Jodi Arias (R) reacts as she hears the verdict of guilty of first degree murder after a four month trial in Phoenix, Arizona, May 8, 2013. Arias was convicted of murdering her lover Travis Alexander in Tempe, Arizona in June of 2008. UPI// Rob Schumacher/Arizona Republic/Pool